Author
- Ashley, Geo. H. (George Hall), 1866-1951 2 results
- Barnes, John Henry, 1946- 1 results
- Bascom, F. (Florence), 1862-1945 1 results
- Blackmer, Gale C. 1 results
- Brown, Amos P. (Amos Peaslee), 1864-1917 1 results
- Butts, Charles, 1863-1946 2 results
- Casey, W. R. (William R.) 2 results
- Clemson, Thomas Green, 1807-1888 2 results
- Conference on the History of Northeastern Pennsylvania Nanticoke, Pa.) 1 results
- Darlington Cannel Coal Railroad Co 2 results
- Diffenderffer, Frank Reid 1 results
- Ehrenfeld, Frederick, 1872-1940 1 results
- Geological Society of Pennsylvania 1 results
- Geological Society of Pennsylvania (Philadelphia) 1 results
- Geological Survey (U.S.) 3 results
- Grubb, Alfred Bates 1 results
- Grubb, Clement Bates 1 results
- Hall, James, 1811-1878 2 results
- Harvey, Isaac A. 1 results
- Henfrey, Benjamin 2 results
- Hensel, William Uhler 1 results
- Hice, Richard R, 1865- 1 results
- Hoffman, John N. 1 results
- Hudson Coal Company 1 results
- Jonas, Anna Isabel, 1881- 1 results
- Lancaster County Historical Society 1 results
- Landis, David Bachman, 1862- 1 results
- Lehigh Coal and Navigation Co 1 results
- Livingston, J. B. 1 results
- Luzerne County Community College Social Science History Department 1 results
- M'Intyre, Arch'd (Archibald), 1772-1858 2 results
- McKean and Elk Land and Improvement Company 1 results
- Miller, Benjamin Le Roy, 1874-1944 1 results
- Moyer, Forrest Theodore, 1906- 1 results
- Otte, Mary E. 1 results
- Pennsylvania Geological Survey 1 results
- Pennsylvania Land and Marble Co. (Cedar Grove, Pa.) 1 results
- Pennsylvania State College. School of Mineral Industries 1 results
- Pennsylvania. Bureau of Topographic and Geologic Survey 5 results
- Pennsylvania. Court of Common Pleas (Lancaster County) 1 results
- Pennsylvania. Department of Internal Affairs. Bureau of Statistics 1 results
- Price, John W., Sr 1 results
- Robertson, Archibald, Philadelphia 2 results
- Rogers, Henry D. (Henry Darwin), 1808-1866 1 results
- Rothwell, Richard Pennefather, 1836-1901 1 results
- Sevon, W. D. 1 results
- Smith, Robert Charles, 1945- 1 results
- Smithsonian Institution 1 results
- Stone, Ralph W. (Ralph Walter), 1876-1964 2 results
- Stose, George Willis, 1869-1960 3 results more…